int
nvif_notify_new(struct nvif_object *object, int (*func)(struct nvif_notify *),
bool work, u8 type, void *data, u32 size, u32 reply,
struct nvif_notify **pnotify)
{
struct nvif_notify *notify = kzalloc(sizeof(*notify), GFP_KERNEL);
if (notify) {
int ret = nvif_notify_init(object, nvif_notify_del, func, work,
type, data, size, reply, notify);
if (ret) {
kfree(notify);
notify = NULL;
}
*pnotify = notify;
return ret;
}
return -ENOMEM;
}
static void
nouveau_accel_init(struct nouveau_drm *drm)
{
struct nvif_device *device = &drm->device;
struct nvif_sclass *sclass;
u32 arg0, arg1;
int ret, i, n;
if (nouveau_noaccel)
return;
/* initialise synchronisation routines */
/*XXX: this is crap, but the fence/channel stuff is a little
* backwards in some places. this will be fixed.
*/
ret = n = nvif_object_sclass_get(&device->object, &sclass);
if (ret < 0)
return;
for (ret = -ENOSYS, i = 0; i < n; i++) {
switch (sclass[i].oclass) {
case NV03_CHANNEL_DMA:
ret = nv04_fence_create(drm);
break;
case NV10_CHANNEL_DMA:
ret = nv10_fence_create(drm);
break;
case NV17_CHANNEL_DMA:
case NV40_CHANNEL_DMA:
ret = nv17_fence_create(drm);
break;
case NV50_CHANNEL_GPFIFO:
ret = nv50_fence_create(drm);
break;
case G82_CHANNEL_GPFIFO:
ret = nv84_fence_create(drm);
break;
case FERMI_CHANNEL_GPFIFO:
case KEPLER_CHANNEL_GPFIFO_A:
case MAXWELL_CHANNEL_GPFIFO_A:
ret = nvc0_fence_create(drm);
break;
default:
break;
}
}
nvif_object_sclass_put(&sclass);
if (ret) {
NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
nouveau_accel_fini(drm);
return;
}
if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
0, &drm->cechan);
if (ret)
NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
arg1 = 1;
} else
if (device->info.chipset >= 0xa3 &&
device->info.chipset != 0xaa &&
device->info.chipset != 0xac) {
ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
NvDmaFB, NvDmaTT, &drm->cechan);
if (ret)
NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
arg0 = NvDmaFB;
arg1 = NvDmaTT;
} else {
arg0 = NvDmaFB;
arg1 = NvDmaTT;
}
ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1,
&drm->channel);
if (ret) {
NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
nouveau_accel_fini(drm);
return;
}
ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
if (ret == 0) {
ret = RING_SPACE(drm->channel, 2);
if (ret == 0) {
if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
OUT_RING (drm->channel, NVDRM_NVSW);
} else
if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
OUT_RING (drm->channel, 0x001f0000);
}
}
ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
false, NVSW_NTFY_UEVENT, NULL, 0, 0,
&drm->flip);
if (ret == 0)
ret = nvif_notify_get(&drm->flip);
if (ret) {
nouveau_accel_fini(drm);
return;
}
}
if (ret) {
NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
nouveau_accel_fini(drm);
return;
}
if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false,
NULL, &drm->notify);
if (ret) {
NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
nouveau_accel_fini(drm);
return;
}
ret = nvif_object_init(&drm->channel->user, NvNotify0,
NV_DMA_IN_MEMORY,
&(struct nv_dma_v0) {
.target = NV_DMA_V0_TARGET_VRAM,
.access = NV_DMA_V0_ACCESS_RDWR,
.start = drm->notify->addr,
.limit = drm->notify->addr + 31
}, sizeof(struct nv_dma_v0),
